Belicheck had a guy on the sidelines, standing there out in the open right in front of the Refs, doing the filming. That's what he got fined for, thumbing his nose at the idiots who pretend this doesn't go on all the time, by every team in the league.
The sore losers will just have to deal with it.
So it was OK to cheat just as long as you don’t get caught at it?